Kidney dynamic SPECT acquisition on a CZT swiveling-detector ring camera: an in vivo pilot study

M Hesse, F Dupont, N Mourad, P Babczenko… - BMC Medical …, 2024 - Springer
Background Large field of view CZT SPECT cameras with a ring geometry are available for
some years now. Thanks to their good sensitivity and high temporal resolution, general …

Reconstruction of 4-D dynamic SPECT images from inconsistent projections using a spline initialized FADS algorithm (SIFADS)

M Abdalah, R Boutchko, D Mitra… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we propose and validate an algorithm of extracting voxel-by-voxel time activity
curves directly from inconsistent projections applied in dynamic cardiac SPECT. The …

Fast direct estimation of the blood input function and myocardial time activity curve from dynamic SPECT projections via reduction in spatial and temporal dimensions

Y Zan, R Boutchko, Q Huang, B Li, K Chen… - Medical …, 2013 - Wiley Online Library
Purpose: Reconstruction of parametric images from dynamic single photon emission
computed tomography (SPECT) data acquired with slow rotating cameras is a challenge …

Dynamic SPECT reconstruction with temporal edge correlation

Q Ding, M Burger, X Zhang - Inverse Problems, 2017 - iopscience.iop.org
In dynamic imaging, a key challenge is to reconstruct image sequences with high temporal
resolution from strong undersampling projections due to a relatively slow data acquisition …

Dynamic SPECT reconstruction from few projections: a sparsity enforced matrix factorization approach

Q Ding, Y Zan, Q Huang, X Zhang - Inverse Problems, 2015 - iopscience.iop.org
The reconstruction of dynamic images from few projection data is a challenging problem,
especially when noise is present and when the dynamic images are vary fast. In this paper …

Three-dimensional semiquantitative analysis of gastric emptying SPECT

TW Kuan, CC Shen, JC Chen, KY Tu… - Nuclear Medicine …, 2022 - journals.lww.com
Objective We used dynamic single-photon emission computed tomography (D-SPECT) to
overcome the interference of the planar dynamic imaging due to the overlap of internal …

Effects of attenuation in single slow rotation dynamic SPECT

T Humphries, A Celler, M Trummer - Physics in Medicine & …, 2012 - iopscience.iop.org
Dynamic imaging using SPECT has been a topic of research interest for many years.
Several proposed approaches have considered the reconstruction of dynamic images from …

R-clustering technique for initialization of factor analysis of dynamic PET images

D Mitra, R Boutchko, B Li, W Jagust… - 2015 IEEE 12th …, 2015 - ieeexplore.ieee.org
In this work we develop a new clustering algorithm for the initial analysis of a dynamic PET
image series. Time-dependent activity for each voxel is treated as an independent time …

Estimation of dynamic time activity curves from dynamic cardiac SPECT imaging

J Hossain, Y Du, J Links, A Rahmim… - Physics in Medicine …, 2015 - iopscience.iop.org
Whole-heart coronary flow reserve (CFR) may be useful as an early predictor of
cardiovascular disease or heart failure. Here we propose a simple method to extract the time …

Design of a short nonuniform acquisition protocol for quantitative analysis in dynamic cardiac SPECT imaging — a retrospective 123I‐MIBG animal study

Y Zan, Y Long, K Chen, B Li, Q Huang… - Medical …, 2017 - Wiley Online Library
Purpose Our previous works have found that quantitative analysis of 123I‐MIBG kinetics in
the rat heart with dynamic single‐photon emission computed tomography (SPECT) offers the …